Pith Number

pith:URMM4NCC

pith:2012:URMM4NCC2KYHTYYY44WQKVF3CQ

not attested not anchored not stored refs pending

The Fantastic Four: A plug 'n' play set of optimal control pulses for enhancing nmr spectroscopy

Burkhard Luy, Jorge L. Neves, Kyryl Kobzar, Manoj Nimbalkar, Naum I. Gershenzon, Steffen J. Glaser, Thomas E. Skinner, Wolfgang Bermel

arxiv:1209.0134 v1 · 2012-09-01 · physics.chem-ph · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{URMM4NCC2KYHTYYY44WQKVF3CQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:54:48.588416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a458ce3442d2b079e318e72d0554bb1415f1e26c39363eef92683a4e283caa7f

Aliases

arxiv: 1209.0134 · arxiv_version: 1209.0134v1 · doi: 10.48550/arxiv.1209.0134 · pith_short_12: URMM4NCC2KYH · pith_short_16: URMM4NCC2KYHTYYY · pith_short_8: URMM4NCC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/URMM4NCC2KYHTYYY44WQKVF3CQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a458ce3442d2b079e318e72d0554bb1415f1e26c39363eef92683a4e283caa7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33f7403aa55f803d70851c7ecaee4e1ef900fc803a64563478396df388b9be7a",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2012-09-01T21:39:17Z",
    "title_canon_sha256": "40f77ac380304323039df9d68a0f62cc8aa4c274c5350878b985d691a124585f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0134",
    "kind": "arxiv",
    "version": 1
  }
}